docs: def cli(env, identifier):
      """Cancel virtual servers."""
  
      vsi = SoftLayer.VSManager(env.client)
      vs_id = helpers.resolve_id(vsi.resolve_ids, identifier, 'VS')
      if not (env.skip_confirmations or formatting.no_going_back(vs_id)):
          raise exceptions.CLIAbort('Aborted')
  
      vsi.cancel_instance(vs_id)